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8
Troubleshooting
8.
Troubleshooting
Note
In the following table there is a list of the most common problems which can arise while working with
the instrument, along with possible causes and troubleshooting procedures.
8.1
Possible faults
Problem
1. Thick/thin sections
The sections alternate
between being thick and thin,
or there is chattering in the
sections, or the specimen is
torn out of the embedding. In
extreme cases, there are no
sections whatsoever.
62
Possible cause
• Blade, knife holder or
orientation is not clamped
properly.
Corrective action
• Check that the cassette is
securely clamped in the
universal cassette clamp.
• If the universal cassette clamp
is soiled by wax, clean the UCC
(→ p. 49 – 6.1 Cleaning the
instrument).
• When using cassettes whose
lid is molded on, check that
the broken edge allows the
cassette to be clamped
securely; if necessary, remove
burrs or clamp the cassette
into the universal cassette
clamp horizontally instead of
vertically.
• If the cassette dimensions are
within the specified tolerances
and the cassette still cannot
be securely clamped into
place, it may be that the
universal cassette clamp is
configured incorrectly or is
defective. In this case, have
Technical Service inspect
and reconfigure the universal
cassette clamp.
• When using cassettes,
particularly thin-walled
cassettes, from a company
other than Leica or Surgipath,
the cassette may become
deformed or other clamping
problems may arise.
If while trying to clamp the
cassette you realize that it
is not securely clamped into
place, an alternative tensioning
clamp must be used.
Version 2.6, Revision J
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